The equation to the pair of straight lines through the origin which are perpendicular to the lines \[2{{x}^{2}}-5xy+{{y}^{2}}=0,\]is [MP PET 1990]

The equation to the pair of straight lines through the origin which

1.	The equation to the pair of straight lines through the origin which are perpendicular to the lines \[2{{x}^{2}}-5xy+{{y}^{2}}=0,\]is [MP PET 1990]
A.	\[2{{x}^{2}}+5xy+{{y}^{2}}=0\]
B.	\[{{x}^{2}}+2{{y}^{2}}+5xy=0\]
C.	\[{{x}^{2}}-5xy+2{{y}^{2}}=0\]
D.	\[2{{x}^{2}}+{{y}^{2}}-5xy=0\]
Answer» C. \[{{x}^{2}}-5xy+2{{y}^{2}}=0\]

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The equation to the pair of straight lines through the origin which are perpendicular to the lines \[2{{x}^{2}}-5xy+{{y}^{2}}=0,\]is [MP PET 1990]

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